org.pentaho.di.trans.steps.http.HTTPTest.java Source code

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/*! ******************************************************************************
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 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2018 by Hitachi Vantara : http://www.pentaho.com
 *
 *******************************************************************************
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
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package org.pentaho.di.trans.steps.http;

import org.apache.http.Header;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.entity.BasicHttpEntity;
import org.apache.http.impl.client.CloseableHttpClient;

import org.pentaho.di.core.logging.LogChannelInterface;
import org.pentaho.di.core.row.RowMetaInterface;
import org.pentaho.di.core.util.HttpClientManager;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;

import java.io.ByteArrayInputStream;
import java.net.HttpURLConnection;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.doCallRealMethod;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import static org.powermock.api.mockito.PowerMockito.mockStatic;
import static org.powermock.reflect.Whitebox.setInternalState;

/**
 * @author Luis Martins
 * @since 14-Aug-2018
 */
@RunWith(PowerMockRunner.class)
@PrepareForTest(HttpClientManager.class)
public class HTTPTest {

    private LogChannelInterface log = mock(LogChannelInterface.class);
    private RowMetaInterface rmi = mock(RowMetaInterface.class);
    private HTTPData data = mock(HTTPData.class);
    private HTTPMeta meta = mock(HTTPMeta.class);
    private HTTP http = mock(HTTP.class);

    private final String DATA = "This is the description, there's some HTML here, like <strong>this</strong>. "
            + "Sometimes this text is another language that might contain these characters:\n"
            + "<p>, , , , , , .</p> They can, of course, come in uppercase as well: <p>,  , , ,"
            + " , </p>. UTF-8 handles this well.";

    @Before
    public void setup() throws Exception {
        HttpClientManager.HttpClientBuilderFacade builder = mock(HttpClientManager.HttpClientBuilderFacade.class);

        HttpClientManager manager = mock(HttpClientManager.class);
        doReturn(builder).when(manager).createBuilder();

        CloseableHttpClient client = mock(CloseableHttpClient.class);
        doReturn(client).when(builder).build();

        CloseableHttpResponse response = mock(CloseableHttpResponse.class);
        doReturn(response).when(client).execute(any(HttpGet.class));

        BasicHttpEntity entity = new BasicHttpEntity();
        entity.setContent(new ByteArrayInputStream(DATA.getBytes()));
        doReturn(entity).when(response).getEntity();

        mockStatic(HttpClientManager.class);
        when(HttpClientManager.getInstance()).thenReturn(manager);

        setInternalState(data, "realUrl", "http://pentaho.com");
        setInternalState(data, "argnrs", new int[0]);

        doReturn(false).when(meta).isUrlInField();
        doReturn("body").when(meta).getFieldName();

        doReturn(false).when(log).isDetailed();

        doCallRealMethod().when(http).callHttpService(any(RowMetaInterface.class), any(Object[].class));
        doReturn(HttpURLConnection.HTTP_OK).when(http).requestStatusCode(any(CloseableHttpResponse.class));
        doReturn(new Header[0]).when(http).searchForHeaders(any(CloseableHttpResponse.class));
        setInternalState(http, "log", log);
        setInternalState(http, "data", data);
        setInternalState(http, "meta", meta);
    }

    @Test
    public void callHttpServiceWithUTF8Encoding() throws Exception {
        doReturn("UTF-8").when(meta).getEncoding();
        assertEquals(DATA, http.callHttpService(rmi, new Object[] { 0 })[0]);
    }

    @Test
    public void callHttpServiceWithoutEncoding() throws Exception {
        doReturn(null).when(meta).getEncoding();
        assertNotEquals(DATA, http.callHttpService(rmi, new Object[] { 0 })[0]);
    }
}